Ji Xinxin, an introverted and simple girl who lacks a smile, started a "special" junior high school career in Qingsi Middle School.
Here, she met some friends: the blind Li Qi, the host-like Yang Ziyi, the gentle and kind-hearted Chen Zhitong... Although these people have different personalities and talents, they come together with the same interests.
However, the time of harmony is so short. On the first day of school, the day before the sports meeting, Christmas Eve... Terrible incidents happened - shootings. As things continued, Ji Xinxin's friends left one after another, and she began to suspect that all of this was not accidental. So in order to find out the truth, she started a series of investigations.
But in the end, she found the mastermind and its true purpose. After a series of events ended, Ji Xinxin was in tears and almost committed suicide...
Purpose: A true friend is not one who takes you away, but one who accepts you from the bottom of his heart.